update phpdoc property

Update composer.json

Update Locking.php (jarektkaczyk#16)

* Update Locking.php

fire method was removed in 5.8

* Other fire method call

* Last fire method calls

* Update FlushExpiredLocks.php

Merge pull request jarektkaczyk#15 from sweet-greg/master

updated ModelLock.php for Laravel 5.7 support

switched to ^5.5 dependency

Merge pull request jarektkaczyk#8 from Braunson/5.5

Added config option to allow tokens or default to auth

Merge pull request jarektkaczyk#4 from PawelMysior/5.5

Update composer.json

bump

added optional customization for broadcasting

5.4 fixed